Morna is a rare girls' name that was most common in the 1920s and has all but disappeared.
Morna is a girl name. It last appears in U.S. records in 1976. Morna was first reported in SSA data in 1891 and peaked in 1924 (19 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1976 | 5 | — | #10,319 |
| 1975 | 6 | — | #8,678 |
| 1969 | 5 | — | #8,265 |
| 1968 | 10 | — | #4,685 |
| 1967 | 11 | — | #4,219 |
| 1966 | 9 | — | #4,754 |
| 1965 | 6 | — | #6,290 |
| 1964 | 9 | — | #4,883 |
| 1962 | 8 | — | #5,157 |
| 1961 | 11 | — | #4,166 |
| 1960 | 6 | — | #6,178 |
| 1959 | 9 | — | #4,532 |
| 1957 | 10 | — | #4,113 |
| 1956 | 10 | — | #4,088 |
| 1955 | 16 | — | #2,925 |
| 1954 | 13 | — | #3,274 |
| 1953 | 8 | — | #4,474 |
| 1952 | 9 | — | #4,028 |
| 1951 | 6 | — | #5,244 |
| 1950 | 7 | — | #4,609 |
| 1949 | 11 | — | #3,332 |
| 1948 | 6 | — | #5,083 |
| 1946 | 8 | — | #3,890 |
| 1943 | 7 | — | #4,081 |
| 1941 | 6 | — | #4,287 |
| 1940 | 7 | — | #3,752 |
| 1938 | 5 | — | #4,793 |
| 1937 | 10 | — | #2,879 |
| 1936 | 7 | — | #3,619 |
| 1935 | 9 | — | #3,090 |
| 1933 | 8 | — | #3,320 |
| 1932 | 12 | — | #2,597 |
| 1931 | 9 | — | #3,155 |
| 1930 | 8 | — | #3,562 |
| 1929 | 5 | — | #5,072 |
| 1927 | 9 | — | #3,486 |
| 1926 | 9 | — | #3,461 |
| 1924 | 19 | — | #2,109 |
| 1923 | 6 | — | #4,801 |
| 1922 | 9 | — | #3,583 |
| 1921 | 14 | — | #2,592 |
| 1920 | 6 | — | #4,797 |
| 1919 | 9 | — | #3,388 |
| 1917 | 5 | — | #5,084 |
| 1915 | 9 | — | #3,058 |
| 1898 | 5 | — | #1,878 |
| 1894 | 5 | — | #1,639 |
| 1891 | 5 | — | #1,471 |